For whatever reason (I can only assume it has to do with the product being released /after/ Ubuntu 9.04 came out) the Ubuntu devs have decided to call Firefox 3.5 “Shiretoko”. You can install alongside your regular Firefox installation by typing aptitude install firefox-3.5 and you can run it by typing firefox-3.5. That’s all well and good, except that the User-Agent string is set to:

Which breaks sites like Facebook (Facebook chat doesn’t work). To fix this, I installed the “User Agent Switcher” extension, which, after a few days of use, I have decided I don’t like. It doesn’t remember user preferences, and you have to reset your default User-Agent every time you start Firefox.

Looking around on the web, I found a much easier way to solve this problem. Type “about:config” in your address bar, and search for the “general.useragent.extra.firefox” entry, right click on it, choose “modify” and change “Shiretoko” to “Firefox”.

Shiretoko is the code name for firefox 3.5 and the default name if it is built without official branding.

From Adam Olsen on Oct. 21 @ 5:29 p.m. 2009

Ah, I see

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